Dell PowerConnect J-EX4200 Hardware Manual page 58

Dell PowerConnect J-Series J-EX4200 Ethernet Switch Hardware Guide
Table 21: Uplink Modules Connector Pinout Information for J-EX4200 Switches
Pin Number
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
B1
42
NOTE: You can use these ports to connect an access switch to a distribution
switch. You can also use optional uplink module ports to connect members
of a Virtual Chassis across multiple wiring closets.
Pin Name
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
Uplink_I2C_SCK
GND
Uplink_PD
GND
POWER (12V)
GND
GND